#define _CRT_SECURE_NO_WARNINGS  1
#include<iostream>
using namespace std;
int main()
{
	void swap(int, int);
	int i = 3, j = 5;
	swap(i, j);
	cout << i << " " << j << endl;
	return 0;
}
void swap(int a, int b)
{
	int temp;
	temp = a;
	a = b;
	b = temp;
}